William A. Pinkerton Autographs, Memorabilia & Collectibles

William's father, Allan Pinkerton, founded the first private detective agency in the United States in 1850. The agency was noted for curtailing criminals such as Billy the Kid, the Reno Brothers, the James Brothers and several members of the Molly Maguires. William Pinkerton gained national prominence by solving the Adams Express robberies and guarding President-elect Lincoln on his way to Washington. William succeeded his father as Superintendent of the firm.